.color {
  display: flex;
}
.color .detail {
  display: flex;
}
.color .detail .pic {
  margin-right: 20px;
  width: 300px;
}
.color .detail .active {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  position: relative;
}
.color .detail .active:before {
  content: '√';
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.color .detail .one {
  width: 45px;
  height: 30px;
  border: 1px solid #f2f2f2;
  display: flex;
  cursor: pointer;
  margin: 0 10px;
}
.demo {
  margin-top: 20px;
}
.demo .detail {
  display: none;
}
.demo .on {
  display: flex;
}
.sure {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 3px!important;
  color: #fff;
  background-color: #00a0e9;
  margin-top: 20px;
  cursor: pointer;
}
